Full reference: E. Hitchcock. 1858. Ichnology of New England. A Report on the Sandstone of the Connecticut Valley, Especially its Fossil Footmarks, Made to the Government of the Commonwealth of Massachusetts xii-214
Parent taxon: Pisces according to E. Hitchcock 1858
Sister taxa: Actinopterygii, Actinopterygii, Andreolepididae, Cephaloxeniformes, Coregonidae, Crenilepis, Cyclotomodon, Dialipiniformes, Ganoidei, Histiothrissinae, Iniomi, Lophosteidae, Megamastax, Naxilepis, Paleopterygii, Pattonia, Pattonia couttsi, Preophiodon, Sarcopterygii, Sparalepis, Tythonichthys, Dipneusta, Lepidoleprus, Charitosaurus, Malacostomata, Teleostomata, Aspidoganoidei, Rhytiodus, Azygostei, Chrondroterygia, Hypostomata, Otolithopsis, Argentinoideorum, Percidarum
Subtaxa: Ptilichnus anomalus Ptilichnus hydrodromus Ptilichnus pectinatus Ptilichnus typographus
Ecology: planktonic suspension feeder
Distribution: found only at Lily Pond Quarry, Gill (Jurassic of Massachusetts)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.